Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Section 11.1 - Sequences and Summation Notation - Exercise Set - Page 829: 17



Work Step by Step

Since, we have $\sum_{i=1}^{6}(5i)=5(1)+5(2)+5(3)+5(4)+5(5)+5(6)$ or, $=5+10+15+20+25+30$ Hence, we get $=105$
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